Twin Valley, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twin Valley, a city in Norman County, Minnesota.
Today
73°F
Sunny
Sunny, with a high near 73. West northwest wind 9 to 14 mph.
7-day forecast for Twin Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 9 to 14 mph WNW | 0% |
| Tonight | 49°F | Mostly Clear | 2 to 12 mph SW | 0% |
| Wednesday | 80°F | Sunny | 6 to 14 mph SW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 13 mph SSW | 11% |
| Thursday | 85°F | Sunny | 12 to 15 mph SW | 11% |
| Thursday Night | 59°F | Mostly Clear | 7 to 13 mph SSW | 7% |
| Friday | 84°F | Sunny | 7 to 14 mph W | 8% |
| Friday Night | 56°F | Mostly Clear | 5 to 13 mph NE | 8% |
| Saturday | 81°F | Mostly Sunny | 5 to 13 mph NE | 8% |
| Saturday Night | 57°F | Slight Chance Showers And Thunderstorms | 6 to 14 mph NE | 19% |
| Sunday | 80°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 10 mph NNE | 19% |
| Sunday Night | 58°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 mph NE | 22% |
| Monday | 79°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph NNE | 22% |
| Monday Night | 57°F | Slight Chance Rain Showers | 6 to 12 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Twin Valley (47.259, -96.259). Updated through the day.
Growing snapshot for Twin Valley
Last spring frost
May 11
First fall frost
Sep 27
Growing season
137 days
Hardiness zone
4a
More local growing data for Twin Valley: nearby ZIP 56584 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ada, Mn (14.1 mi from Twin Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.